<template>
  <view>
      <view class="goods-list">
        <view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
          <my-goods :goods="goods"></my-goods>
        </view>
      </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        queryObj:{
          query:'',
          cid:'',
          pagenum:1,
          pagesize:10
        },
        goodsList:[],
        total:0,
        //节流阀
        isloading:false
      };
    },
    onLoad(options){
      this.queryObj.query=options.query||''
      this.queryObj.cid=options.cid||''
      this.getGoodsList()
    },
    methods:{
      //获取商品列表数据
      async getGoodsList(cb){
        //打开节流阀
        this.isloading=true
        const{data:res}=await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
        //关闭节流阀
        this.isloading=false
        cb&&cb()
        if(res.meta.status!==200)return uni.$showMsg()
        this.goodsList=[...this.goodsList,...res.message.goods]
        this.total=res.message.total
      },
      gotoDetail(goods){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?goods_id='+goods.goods_id
        })
      }
    },
    onReachBottom(){
      if(this.queryObj.pagenum*this.queryObj.pagesize>=this.total)
      return uni.$showMsg('数据加载完毕!')
      if(this.isloading) return
      //让页码值自增加1
      this.queryObj.pagenum++
      this.getGoodsList()
    },
    onPullDownRefresh(){
      //重置关键数据
      this.queryObj.pagenum=1
      this.total=0
      this.isloading=false
      this.goodsList=[]
      //重新发起数据请求
      this.getGoodsList(()=>uni.stopPullDownRefresh())
    },
  }
</script>

<style lang="scss">

</style>
